Display device



FIG. 1 is a front right top perspective view of a display device, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line portion of the figure drawings is included to show portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a display device, as shown and described. 